text: Johan Gadolin married first, at age 35, Hedvig Tihleman, with whom he had nine children. After his wife's death he married, at age 59, Ebba Palander. Gadolin retired as professor emeritus in 1822 at age 62, a mandatory age of retirement. He moved to a country estate where he lived for another 30 years.  He died in Mynämäki, Finland on 15 August 1852.
  The Great Fire of Turku of 1827 started in a bakery and damaged or destroyed much of the town of Åbo. Gadolin's laboratory and collection of minerals near the cathedral were destroyed.